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Mainframe Tester Jobs (NOW HIRING)

Vytwo

Mainframe Developer

Prosper, TX · On-site

$50/hr

Key responsibilities will include coding, testing, debugging, and maintaining mainframe applications, resolving data defects as well as collaborating with other product teams to ensure system ...

VensIT Corp

Mainframe Developer

Berkeley Heights, NJ · On-site

$51.25 - $65.75/hr

Perform analysis coding unit testing and documentation for batch programs online transactions and interfaces running on the mainframe platform * Analyze troubleshoot and resolve production incidents ...

New

Delan Associates, Inc

Mainframe Developer

Mclean, VA · On-site

$49.50 - $63.75/hr

Position: Mainframe Developer (Banking Domain) Location: McLean, VA (Onsite, 5 days/week) Note ... unit testing, integration testing, and production support Troubleshoot production issues and ...

Scalence L.L.C.

Mainframe Programmer

Brookfield, WI · On-site

C. is seeking a Mainframe Programmer to work on an agile team focused on developing new instances ... The role involves coding, testing, and participating in team ceremonies to enhance Product and ...

Delan Associates, Inc

Mainframe Developer

Mclean, VA

$49.50 - $63.75/hr

Position: Mainframe Developer (Banking Domain) Location: McLean, VA (Onsite, 5 days/week) Note ... unit testing, integration testing, and production support Troubleshoot production issues and ...

VIS IT Solutions Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

... testing, deployment, and support. • Troubleshoot application issues and provide timely resolutions, including root cause analysis and corrective action planning. • Optimize mainframe code and ...

Compunnel

Mainframe Engineer

Westlake, TX · On-site

$47 - $60.50/hr

Job Summary We are seeking an experienced Mainframe Engineer to develop, maintain, and support high ... Conduct unit, functional, and regression testing to ensure application quality and stability.

Lorven Technologies

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer Location: Wilmington, Delaware (Onsite) Job Type: Contract Responsibilities ... Participate in the full software development lifecycle SDLC including design, development, testing ...

Staffingine LLC

Mainframe Architect

Erlanger, KY · On-site

Mainframe Architect Job Location: Erlanger, KY Job Type: Contract to Hire * Develop maintain and ... Conduct system testing implementation and documentation for new or modified applications * Perform ...

Dew Softech Inc

Mainframe Analyst

Trenton, NJ · On-site

Mainframe Analyst Location: Trenton, NJ 08625 (Hybrid) Contract Duration: 6+ Months *COBOL, CICS ... Perform analysis, design, coding, and testing of application code owned by the Application Team

Two95 International Inc.

Mainframe Developer

Rosemont, IL · On-site

$49.25 - $63.50/hr

Fulltime Mainframe-L2 (Mandatory) As a Lead, you are responsible for managing a small team of analysts, developers, testers or engineers and drive delivery of a small module within a project ...

Tech Tammina

Mainframe Modernization Consultant

Mainframe Modernization Consultant Remote Contract role Summary Support modernization initiatives ... testing phases. • Mentor consultants and oversee technical execution. Required Skills • ...

Raas Infotek LLC

Senior Mainframe Developer

Dallas, TX · On-site

Senior Mainframe Developer Location: Dallas, TX (Onsite/Hybrid) Job Type: W2 Experience: 12+ Years ... Perform unit testing, system testing, and support UAT activities. * Troubleshoot production issues ...

New

Tata Consultancy Services

Mainframe Developer

Plano, TX · On-site

$47.25 - $60.75/hr

... testing, and production support for existing systems. • Work with batch jobs, file processing ... Required : • Strong hands-on experience with mainframe technologies. • Proficiency in COBOL ...

System One

Mainframe Architect

Pittsburgh, PA · On-site

Architect and communicate the high availability configuration for the mainframe, including all change management and testing required * Coordinate schedule, roadmap, and deployment plans with ...

nLeague

Mainframe Systems Programer

Hartford, CT · On-site

$55.50 - $70.50/hr

Mainframe Mainframe Programmer/ Developer Location: Hybrid- 55 Farmington Avenue Hartford ... Participate in migration testing, system integration testing, user acceptance testing, and ...

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Mainframe Tester information

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$69

How much do mainframe tester jobs pay per hour?

As of Jul 19, 2026, the average hourly pay for mainframe tester in the United States is $43.50, according to ZipRecruiter salary data. Most workers in this role earn between $33.41 and $52.40 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Mainframe Tester position, and why are they important?

A Mainframe Tester needs strong analytical abilities, proficiency in mainframe environments (such as IBM z/OS), and knowledge of programming languages like COBOL, JCL, and SQL, often supported by a degree in computer science or a related field. Experience with test automation tools (e.g., IBM Rational, CA tools), debugging utilities, and relevant certifications like ISTQB can be highly beneficial. Excellent problem-solving skills, attention to detail, teamwork, and effective communication help testers excel in cross-functional teams. These skills and qualities are crucial for ensuring reliability, compliance, and performance of mission-critical mainframe systems in large organizations.

What are the typical responsibilities and daily tasks of a Mainframe Tester?

Mainframe Testers are primarily responsible for designing, developing, and executing test cases on mainframe applications to ensure their accuracy and performance. On a daily basis, you might review requirements, create test data, identify defects, and work closely with developers to resolve coding issues. The role often involves collaborating with business analysts and system architects to understand the application's functionality and ensure compliance with business and technical standards. Mainframe Testers frequently use specialized testing tools and may participate in both manual and automated testing cycles. This collaborative and detail-oriented environment helps ensure high-quality and reliable mainframe systems for the organization.

Is mainframe testing difficult?

Mainframe testing can be complex due to the legacy systems, specialized tools, and programming languages involved. It requires attention to detail, understanding of mainframe environments, and often knowledge of testing automation and scripting. While challenging, proper training and experience can make it manageable for testers.

What is a Mainframe Tester job?

A Mainframe Tester is responsible for testing applications running on mainframe systems to ensure their functionality, reliability, and security. They create and execute test cases, validate data processing, and identify defects in mainframe applications. They work with technologies like COBOL, JCL, DB2, and CICS to test batch and online processes. Their role is critical in industries like banking, insurance, and healthcare, where mainframes handle large-scale transaction processing. The tester collaborates with developers and business analysts to ensure the applications meet business requirements.

Can mainframe be replaced by AI?

Mainframe testers work with legacy systems that often require specialized knowledge of mainframe environments, programming languages, and testing tools. While AI can assist in automating certain testing tasks and improving efficiency, it is unlikely to fully replace mainframe testers due to the complexity and critical nature of mainframe systems. Human expertise remains essential for designing tests, interpreting results, and managing system-specific issues.

Is mainframe in demand?

Mainframe testing remains in demand due to the continued use of legacy systems in industries like finance and government. Skilled testers with knowledge of mainframe environments, COBOL, and testing tools are sought after to ensure system reliability and security.

How to be a mainframe tester?

To become a mainframe tester, you should have a strong understanding of mainframe environments, including COBOL, JCL, and DB2, along with experience in software testing and quality assurance. Gaining certifications such as IBM Certified Mainframe Application Developer can enhance your credentials, and familiarity with testing tools like CA Test Data Manager or IBM Rational Test Workbench is beneficial. Developing skills in scripting, debugging, and working within mainframe operating systems is essential for success in this role.
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Mainframe Tester jobs near you
Infographic showing various Mainframe Tester job openings in the United States as of July 2026, with employment types broken down into 32% Full Time, and 68% Contract. Highlights an 90% In-person, 5% Hybrid, and 5% Remote job distribution, with an average salary of $90,490 per year, or $43.5 per hour.

Mainframe Developer

Vytwo

Prosper, TX • On-site

$50/hr

Full-time

Re-posted 29 days ago

Job description

Role: Mainframe Developer
Location : Malvern, PA - Hybrid
Job Description

Responsibilities:
  • A Mainframe Developer required in developing and maintaining applications on mainframe systems, typically using languages like COBOL, JCL, and CICS.
  • Strong knowledge of DB2. What are the key responsibilities of a Mainframe Developer in Defect Squad
  • Key responsibilities will include coding, testing, debugging, and maintaining mainframe applications, resolving data defects as well as collaborating with other product teams to ensure system performance.
Qualifications:
  • Skills required include proficiency in COBOL, JCL, CICS, DB2, problem-solving abilities, and experience with mainframe tools and utilities.
  • Creating high-performance, mission-critical applications Analyzing user requirements and developing software solutions
  • Ensuring software applications meet all performance and security requirements
  • Working with other developers to create high-performance, scalable applications
  • Researching new technologies and software development trends Providing technical support and troubleshooting
  • Writing technical documentation

Flexible work from home options available.